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Z0221524VSCR4508 Datasheet

  • Z0221524VSCR4508

  • IC-SM-MODEM CONTROLLER

  • 78頁

  • ETC

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Z02215
Single-Chip Modem
40
Table 6.
Number
18
19
20
21
Result Codes
Word
CONNECT
1200TX/150RX
Result Code Description
The modem is in the ON-LINE state, ready to transfer data. This
modem transmits at 1200 bps and receives at 150 bps.
CONNECT 150TX/ The modem is in the ON-LINE state, ready to transfer data. This
1200RX
modem transmits at 150 bps and receives at 1200 bps.
BLACKLISTED
DELAYED
The modem does not allow any number to be dialed until the
modem is reset.
The modem does not allow any number to be dialed now, until a
specified time period elapses.
Modem S-Registers
Modem S-registers contain the values of special purpose ASCII characters, timing
parameters and other modem parameters. The value of an S-register is modified by the
AT S command. Each S-register has three values that may be configured for specified
countries: a default value, an upper limit, and a lower limit. The values described in this
manual are for North America.
Table 7.
Modem S-Registers
Default
0
Units
Rings
Description
Sets number of rings before auto-answer.
The
modem automatically answers the telephone after it
rings the number of times specified in register S0. If
S-register S0 is 0 the modem does not automatically
answer the telephone. Any value from 0 to 255 is
valid. The country configuration may disable the
modem鈥?ability to detect a telephone line ring
s
signal. In this case, the modem never automatically
answers the telephone regardless of the S0 setting.
The default value is 0 (auto-answer disabled)
Returns the number of times the phone rings.
When the modem is in the IDLE state and set to
automatically answer the telephone (S-register S0 >
0), the modem records the number of times the
phone rings in S-register S1. The value of S1 reverts
to 0 if no ring occurs for several seconds.
Register Range
S0
0鈥?55
S1
0鈥?55
0
Rings
PRELIMINARY
PS001901-MOD0300

Z0221524VSCR4508 產(chǎn)品屬性

  • 25

  • 集成電路 (IC)

  • 接口 - 調(diào)制解調(diào)器 - IC 和模塊

  • -

  • V.21，V.22，V.23，Bell 103，Bell 212A

  • 2.4k

  • 4.5 V ~ 5.5 V

  • 表面貼裝

  • 44-LCC（J 形引線）

  • 44-PLCC

  • 管件

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